pharmaceutical calculations help!

Question

Digoxin (Lanoxin) pediatric elixir contains 0.05 mg of digoxin in each milliliter of elixir. How many milligrams of digoxin would be administered with a dose of 0.6 mL?

Answer 1

Use dimensional analysis:

0.05 mg/ml x 0.6 ml = 0.03 mg administered with a dose of 0.6 ml